This code in not working
$emailObj = new Email();
$defaults = $emailObj->getSystemDefaultEmail();
$mail = new SugarPHPMailer();
$mail->setMailerForSystem();
$mail->From = $defaults['email'];
$mail->FromName = $defaults['name'];
$mail->Subject = "Conferma presa in carico richiesta di finanziamento Pratica N ". $bean->numeropratica_c." Relativo a ".$bean->pratiche_name;
$mail->Body = $body;
$mail->AddAttachment($dirAllegato . $bean->numeropratica_c.'.pdf', $bean->numeropratica_c, 'base64', 'application/pdf');
$mail->isHTML(true);
$mail->prepForOutbound();
$mail->AddAddress('massimo.capuano.bari@gmail.com');
$mail->Send();